Kwok, Hong Kong
Chi Chung Kwok, Hong Kong CN
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20130274473 | PLATINUM(II) COMPLEXES FOR OLED APPLICATIONS - The current invention relates to novel platinum(II) based organometallic materials. These materials show high emission quantum efficiencies and low self-quenching constant. Also provided are high efficiency, green to orange emitting organic light-emitting diode (OLED) that are fabricated using platinum(II) based organometallic materials as the light-emitting material. The organometallic materials of the invention are soluble in common solvents; therefore, solution process methods such as spin coating and printing can be used for device fabrication. The devices fabricated from these materials show low efficiency roll-off. | 10-17-2013 |
Chi Chung Kwok, Hong Kong HK
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20120018711 | PLATINUM (II) TETRADENTATE ONCN COMPLEXES FOR ORGANIC LIGHT-EMITTING DIODE APPLICATIONS - Described are novel platinum (II) containing organometallic materials. These materials show green to orange emissions with high emission quantum efficiencies. Using the materials as emitting materials; pure green emitting organic light-emitting diodes can be fabricated. Since the novel platinum (II) containing organometallic materials are soluble in common solvents, solution process methods such as spin coating and printing can be used for device fabrication. | 01-26-2012 |
20150287937 | PLATINUM (II) EMITTERS FOR OLED APPLICATIONS - Described herein are novel platinum(II) emitters. These material show high emission quantum efficiency, low self-quenching constant and stable in thermal deposition process. The OLED fabricated from these materials can have pure green emission, high efficiency and low efficiency roll-off. | 10-08-2015 |
Chi Hang Kwok, Hong Kong CN
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20120318777 | LASER APPARATUS FOR SINGULATION, AND A METHOD OF SINGULATION - An apparatus | 12-20-2012 |
Chun Lung Kwok, Hong Kong CN
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20120025480 | SIZE-ADJUSTABLE FOOTWEAR - Size-adjustable footwear includes a body in which first and second insoles are received, the insoles being nested together and one upon another with both extending to generally cover the length and width of the sole of the footwear body. A first insole has a re-entrant section for partially enclosing at least part of the periphery of the forefoot of a wearer and includes a first toe cap, and lateral and medial flanges integral with the first toe cap. The second upper insole includes a reentrantly shaped second toe cap and a heel cup in which a first longitudinal dimension, between the heel cup and the second toe cap, defines a first size, and a second longitudinal dimension, between the body heel and the first toe cap, defines a second size larger than the first size. A user may select footwear based on the smaller first size, and then remove the first and then the second insole to accommodate growth of the feet. | 02-02-2012 |
Chun Yam Kwok, Hong Kong CN
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20120246709 | LIGHTWEIGHT AUTHENTICATION FOR ON-PREMISE RICH CLIENTS - The subject disclosure relates to lightweight authentication for on-premise rich clients. The lightweight authentication mitigates the amount of software that is installed on a client machine for authentication purposes. A portion of an external website is hosted on an application executing on the rich client. The user can interact with the portion of the external website in order to enter credentials or other identification information. The entry of the credentials or other identification information is relayed to the external website for verification. If the verification is successful, the user can interact with various external websites utilizing the single verification. | 09-27-2012 |
Connie Sau Kuen Kwok, Hong Kong HK
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20140242363 | Durable, Germicide-Free and Antibacterial Coating - The presently claimed invention provides a coating solution for an antibacterial coating, and a method for synthesizing the coating solution. The coating solution comprises ethanol, nitric acid, titanium tetraisopropoxide, water, and silver nitrate. Furthermore, a coating method for deposition of the antibacterial coating is also provided. The antibacterial coating of the present invention is effective in providing antibacterial function, easy to be manufactured, and durable. | 08-28-2014 |
Glen Kwok, Hong Kong CN
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20110083897 | ELECTRIC POWER TERMINAL FEED-THROUGH - A power terminal feed-through includes a housing, at least one current conducting pin and a sealing glass hermetically sealing the at least one current conducting pin to the housing. The at least one current conducting pin defines a peripheral indentation in the surface of the current conducting pin. The sealing glass fills in the peripheral indentation when fused to both the current conducting pin and housing. | 04-14-2011 |
Ho Chin Kwok, Hong Kong CN
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20150027555 | MICROFLUIDIC PLATFORM AND METHOD FOR CONTROLLING THE SAME - A microfluidic platform including a microfluidic layer and a contact layer. The microfluidic layer is embedded with a microfluidic structure including a micro-channel and a fluidic sample contained in the micro-channel. The contact layer is able to be attached to the microfluidic layer, and includes a first heater for heating a first area of the microfluidic structure to a first temperature and a second heater for heating a second area of the microfluidic structure to a second temperature. The microfluidic layer and the contact layer rotate together during operation. A method for controlling a sample in the micro-channel of the microfluidic structure. | 01-29-2015 |
Hoi Sing Kwok, Hong Kong HK
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20150029453 | STABILIZED PHOTO-ALIGNMENT LAYER FOR LIQUID CRYSTAL - A liquid-crystal photo-alignment layer that is composed of polymer stabilized azo dyes is provided, where a polymer network is introduced in the photo-alignment layer for stabilization. The photo-alignment layer is realized based on a two-step irradiation to first achieve molecule alignment to form the photo-alignment layer and then stabilize this layer. To realize the photo-alignment layer, a pre-determined surface of the substrate is first coated with a film of mixture. The mixture comprises an azo dye and a monomer preferably mixed in an optimal concentration of 0.67 wt/wt. The azo dye and the monomer have light-absorption peaks at different wavelengths such that photo-alignment of the azo-dye molecules and stabilization of the photo-alignment layer by polymerization of the monomer are achievable by two separate exposures of light to the film. | 01-29-2015 |
20150138496 | Polymer Stabilized Electrically Suppressed Helix Ferroelectric Liquid Crystal Cell - The present invention provides an electrically suppressed helix ferroelectric liquid crystal (ESHFLC) cell with polymer stabilization. The cell has a liquid crystal (LC) material that is a mixture comprising a monomer, a photo-initiator and a ferroelectric liquid crystal (FLC) where a polymer network has been established at a certain temperature to achieve constraints of ESHFLC electro-optical mode. The resultant mixture is characterized by a helix pitch less than and comparable to a FLC layer thickness of the cell, and provides a selective reflection in an UV region. The concentration of the monomer in the pure FLC mixture has also been optimized for the phase diagram, scattering and the tilt angle. The resultant mixture, i.e. the polymer stabilized ESHFLC cell, follows all constraints of the ESHFLC electro-optical mode and shows electro-optical characteristics similar to a typical ESHFLC cell. | 05-21-2015 |
John Ching Kwong Kwok, Hong Kong CN
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20150289892 | Low Force Thrombectomy Device - The claimed biocompatible device is designed to remove vessel occlusions such as a thrombus, blood clot, or embolus. The claimed devices maybe used to treat occlusions in the brain, in the vasculature, and in tissues and organs. | 10-15-2015 |
Ka Cheung Kwok, Hong Kong HK
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20150208957 | Transmission-Reflectance Swappable Raman Probe for Physiological Detections - A transmission-reflectance swappable Raman device and a method thereof are disclosed. The excitation light is selectively directed to the sample in one direction for generating the transmission Raman signal in transmission mode or in another direction for generating the reflectance Raman signal in reflectance mode. The content of an analyte in a sample can be determined by analyzing transmission and reflectance Raman signal. | 07-30-2015 |
Kam Kay Justine Zee Kwok, Hong Kong HK
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20140116348 | PET CARRIER - The present invention discloses a pet carrier wherein the ,pet carrier is evenly perforated with ventilation holes. The pet carrier comprises four non-separable flexible panels: a bottom panel, a first-side panel, a second-side panel and a roof panel, in which the first-side panel, the second-side panel, and the roof panel can be folded onto the bottom panel to form a collapsed configuration. And the second configuration utilizes a continuous dual-directional zipper stitched along the perimeter of the four panels which can be connected together to form a three-dimensional enclosed carrier. This simple, lightweight and portable carrier allows for easy transportation and storage. The allover perforation of the pet carrier maximizes ventilation and breathability of the carrier thus reducing the risk of suffocation of the pet contained inside. It also serves the purpose of alleviating stress and anxiety of the pet by increasing comfortability and visibility of the exterior surrounding. | 05-01-2014 |
King Lun Kwok, Hong Kong HK
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20080293551 | Multiple joint linkage device - The present invention relates to devices and methods for a joint linkage device suitable for training multi-joints in a single limb. The joint linkage device is capable of rotation at a proximal end and a distal end. The device includes a proximal end having an upper plate, a middle plate, and a lower plate, a distal plate, a side bar, a main bar, a switch mechanism, and an extended bar. In use, a torque from a motor is applied to the upper plate to provide a user with an assistance torque, a resistance torque, or a assistance/resistance torque. | 11-27-2008 |
20080294074 | Robotic training system with multi-orientation module - The present invention relates a system and method to allow users to train different joints of a limb in different planes. The rotation of the system can be driven by a motor to assist or resist the motion for training purpose. By the present invention, the user can use the device to switch training between the vertical and horizontal planes, without changing the device and any module. The system is also adjustable to meet different users' body sizes. | 11-27-2008 |
Lo Ching Kwok, Hong Kong CN
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20110182748 | CENTRIFUGAL IMPELLER - A centrifugal impeller includes a body of antistatic plastic and a back plate made of metal, preferably aluminium. The back plate is fixed to the body is such a way that the back plate can not make accidental contact with a volute of a blower in which the impeller is deployed. | 07-28-2011 |
20120305603 | LIQUID GEAR PUMP - A liquid gear pump includes a gear pump assembly and an electric motor with an motor shaft. The gear pump assembly includes a pump housing which defines a pump chamber, an inlet and an outlet which are in fluid communication with the pump chamber, and a driving gear and an idle gear which are received in the pump chamber. The driving gear is driven by the motor shaft. The idle gear is supported on an idle shaft and engaged with the driving gear. The driving gear and the idle gear are made of a material with a main component of PPS. | 12-06-2012 |
20130162090 | PERMANENT MAGNET ROTOR - A permanent magnet rotor includes a shaft, a rotor core fixed to the shaft, a bracket fixed to the rotor core, and a plurality of permanent magnets contacting an outer surface of the rotor core. The bracket includes a base at one axial end thereof, a plurality of arms axially extending from the base and spaced in a circumferential direction, and an end ring connecting the arms at the other axial end thereof. The base has an opening for the insertion of the shaft. The rotor core is positioned between the arms. Each magnet is sandwiched between two adjacent arms. An inner diameter of the end ring is greater than an outer diameter of the rotor core. | 06-27-2013 |
Ngai Mui Candy Kwok, Hong Kong HK
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20140028060 | FOLDABLE CHAIR - The present invention provides a foldable chair includes a main body including a backrest, a seat, and legs; the backrest and the legs are connected to the seat; the seat includes a seating pad ring and a seating pad; the seating pad is placed on the seating pad ring; two folding parts extending upwards are formed on two sides of the seating pad ring; the folding part is provided with a receiving groove; two supports of the backrest are fixed to the folding parts; one end of the support is inserted into the receiving groove and detaches from the receiving groove when the support is moved; the folding part is provided with an opening, where the opening supports the support when the backrest is folded onto the seating pad. The foldable chair requires no bolt for use and packing, and does not occupy large storage. | 01-30-2014 |
Raymund W. M. Kwok, Hong Kong HK
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20100101962 | Immersion method - A composition and method for inhibiting corrosion is disclosed. Metals and metal alloys are treated with compositions which contain inorganic and organic acids that prevent oxide formation on the metals and metal alloys. | 04-29-2010 |
R. W. M. Kwok, Hong Kong CN
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20110244126 | METHOD FOR SELECTIVELY REMOVING HYDROGEN FROM MOLECULES - Methods for removing hydrogen from molecules are disclosed. In one embodiment, hydrogen-containing molecules are deposited on a solid substrate and are bombarded with hydrogen projectile particles. The particles may have energies of | 10-06-2011 |
Ryan Tsz Kin Kwok, Hong Kong CN
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20120172296 | WATER-SOLUBLE AIE LUMINOGEN FOR MONITORING AND RETARDATION OF AMYLOID FIBRILLATION OF INSULIN - The presently described subject matter is directed to a water-soluble conjugated polyene compound and the derivatives thereof that exhibit aggregation induced emission, as well as any water dispersible, fluorescent, polymeric microparticles, nanoparticles, and/or pharmaceutical composition comprising the water-soluble conjugated polyene compound and/or the derivatives thereof. Also provided are methods of making and using the compound, derivatives and particles of the presently described subject matter. The presently described water-soluble conjugated polyene compound are useful as bioprobes for the detection of biomacromolecules, in the manufacture of sensors, in monitoring and retarding formation of amyloid protein fibril in vitro and in vivo, and in developing anti-cancer drugs. | 07-05-2012 |
Sau Kuen Connie Kwok, Hong Kong CN
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20150157971 | Interlaced Filtration Barrier - A filtration barrier comprises at least one barrier layer which includes polymeric nanofibers interlaced with microfibers, and at least one substrate layer which includes polymeric microfibers. The filtration barrier can be made by electrospinning process. | 06-11-2015 |
Sau Kuen Connie Kwok, Hong Kong HK
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20150265533 | NANOEMULSION FOR TRANSDERMAL DELIVERY AND METHOD OF MAKING THE SAME - The present invention relates to a nanoemulsion for transdermal delivery. The presently claimed invention provides chemical formulations for preparing a nanoemulsion, and the methods for preparing the nanoemulsion. The nanoemulsion has desirable particle size for efficient transdermal delivery, and doesn't involve any organic solvent which is harmful to human skin. The corresponding fabrication method is simple. | 09-24-2015 |
Siu Keung Kwok, Hong Kong CN
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20100052867 | APPARATUS AND METHOD FOR IDENTIFYING OBJECT MOVEMENT AND LOCATION WITH RFID DEVICE - An apparatus for identifying object movement and location with RFID device comprises two RFID gateways constructed by at least one RFID interrogator located inside and outside an entrance of a monitored zone independently, a portable RFID tag carried by the object capable of receiving and responding said signals emitted by said RFID interrogator, and a data processor connected with said RFID gateways capable of receiving said responses to identify said object movement as leaving or entering said entrance and said object location as outside or inside said monitored zone. There is also a corresponding method for identifying object movement and location with RFID device. | 03-04-2010 |
20100289621 | METHOD FOR OPTIMIZING RFID DEPLOYMENT AND RFID DEPLOYMENT OPTIMIZER OF USE THEREOF - A method for optimizing the deployment of RFID apparatus, and a RFID deployment optimizer of use thereof are provided. The method includes the steps: A. analyzing the interrogation zone where the RFID apparatus are deployed, B. identifying the readability o RFID tag associated with different sets of placement on a target object inside the interrogation zone, and C. selecting the best deployment alternative based on the analysis result of the interrogation zone attained in the step A and all the readabilities of RFID tag associated with different sets of placement identified in the step B. | 11-18-2010 |
Sui Yi Kwok, Hong Kong HK
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20110295225 | METHOD FOR THE PREPARATION OF A HIGH-TEMPERATURE STABLE OXYGEN-CARRIER-CONTAINING PHARMACEUTICAL COMPOSITION AND THE USE THEREOF - A high temperature-stable and highly purified α-α cross-linked tetrameric hemoglobin suitable for use in mammals without causing renal injury and vasoconstriction is provided. The dimeric form of hemoglobin is degenerated and purification processes are performed on red blood cells obtained from whole blood. Controlled hypotonic lysis in an instant cytolysis apparatus prevents the lysis of white blood cells. Nucleic acids from white blood cells and the phospholipids impurities are not detected. The blocking of reactive sulfhydryl groups in hemoglobin by a sulfhydryl reagent is performed in an oxygenated environment. Flowthrough column chromatography is used to remove different plasma protein impurities. N-acetyl cysteine is added to the α-α cross-linked tetrameric hemoglobin solution to maintain a low level of met-hemoglobin. The stabilized hemoglobin is preserved in an infusion bag with aluminum overwrap to prevent formation of inactive met-hemoglobin from oxygen intrusion. The product finds use in tissue oxygenation and cancer treatment. | 12-01-2011 |
20110319332 | TREATMENT METHODS USING A HEAT STABLE OXYGEN CARRIER-CONTAINING PHARMACEUTICAL COMPOSITION - A highly purified and heat stable cross-linked nonpolymeric tetrameric hemoglobin suitable for use in mammals without causing renal injury and vasoconstriction is provided. A high temperature and short time (HTST) heat processing step is performed to remove undesired dimeric form of hemoglobin, uncross-linked tetrameric hemoglobin, and plasma protein impurities effectively. Addition of N-acetyl cysteine after heat treatment and optionally before heat treatment maintains a low level of met-hemoglobin. The heat stable cross-linked tetrameric hemoglobin can improve and prolong oxygenation in normal and hypoxic tissue. In another aspect, the product is used in the treatment of various types of cancer such as leukemia, colorectal cancer, lung cancer, breast cancer, liver cancer, nasopharyngeal carcinoma and esophageal cancer. The inventive tetrameric hemoglobin can also be used to prevent tumor metastasis and recurrence following surgical tumor excision. Further the inventive tetrameric hemoglobin can be administered to patients prior to chemotherapy and radiation treatment. | 12-29-2011 |
20110319858 | METHOD FOR THE PREPARATION OF A HEAT STABLE OXYGEN CARRIER-CONTAINING PHARMACEUTICAL COMPOSITIONS AND THE USE THEREOF - A highly purified and heat stable α-α cross-linked tetrameric hemoglobin suitable for use in mammals without causing renal injury and vasoconstriction is provided. A high temperature and short time (HTST) heat processing step is performed to remove undesired dimeric form of hemoglobin and the plasma proteins impurities effectively. Addition of N-acetyl cysteine to the heat stable a-a cross-linked tetrameric hemoglobin maintains a low level of met-hemoglobin. The heat stable a-a cross-linked tetrameric hemoglobin can improve and prolong oxygenation in normal and hypoxic tissue. In another aspect, the product is used in the treatment of various types of cancer such as leukemia, colorectal cancer, lung cancer, breast cancer, liver cancer, nasopharyngeal carcinoma and esophageal cancer. Another application is heart preservation in situations where there is a lack of oxygen supply in vivo, such as in heart transplant or oxygen-deprived heart. | 12-29-2011 |
20130059000 | ORAL DELIVERY FOR HEMOGLOBIN BASED OXYGEN CARRIERS - A process for making hemoglobin based oxygen carrier (HBOC) containing pharmaceutical composition suitable for oral delivery and the composition formed thereby are described. There are three exemplary composition configurations which include (1) hemoglobin-loaded nanoparticles solution, (2) enteric-coated hemoglobin capsules and (3) enteric-coated hemoglobin tablets. To facilitate the bioavailability and bio-compatibility of hemoglobin, intestinal absorption enhancers are added in each of the HBOC formulations. Protective layers ensure delivery of an intact hemoglobin structure in intestinal tract without degradation in the stomach. The HBOC formulations may be used for preventive or immediate treatment of high altitude syndrome (HAS) or for treatment of hypoxic conditions including blood loss, anemia, hypoxic cancerous tissue, and other oxygen-deprivation disorders. In addition to delivering oxygen, the heme group of hemoglobin from HBOC formulations can provide heme iron to the human body to aid in the production of more red blood cells. | 03-07-2013 |
20130219829 | METHOD FOR THE PREPARATION OF A HEAT STABLE OXYGEN CARRIER-CONTAINING PHARMACEUTICAL COMPOSITION AND THE USE THEREOF - A highly purified and heat stable cross-linked tetrameric hemoglobin suitable for use in mammals without causing renal injury and vasoconstriction is provided. A high temperature and short time (HTST) heat processing step is performed to remove undesired dimeric form of hemoglobin and the plasma proteins impurities effectively. Addition of N-acetyl cysteine to the heat stable cross-linked tetrameric hemoglobin maintains a low level of met-hemoglobin. The heat stable cross-linked tetrameric hemoglobin can improve and prolong oxygenation in normal and hypoxic tissue. In another aspect, the product is used in the treatment of various types of cancer such as leukemia, colorectal cancer, lung cancer, breast cancer, liver cancer, nasopharyngeal carcinoma and esophageal cancer. Another application is heart preservation in situations where there is a lack of oxygen supply in vivo, such as in heart transplant or oxygen-deprived heart. The presently claimed invention also includes a method for preparing a packaged cross-linked tetrameric hemoglobin composition. | 08-29-2013 |
20140106004 | HEMOGLOBIN-BASED OXYGEN CARRIER-CONTAINING PHARMACEUTICAL COMPOSITION FOR CANCER TARGETING TREATMENT AND PREVENTION OF CANCER RECURRENCE - The present invention provides a pharmaceutical composition containing a hemoglobin-based oxygen carrier for treating cancer, preventing recurrence and metastasis of cancerous tumor. The composition can be used alone or in combination with at least one chemotherapeutic agent such as 5FU, Bortezomib, doxorubicin, cisplatin, or any combination thereof. The hemoglobin-based oxygen carrier in the composition is capable of targeting a surface receptor expressed on cancerous cells and facilitating the uptake of both hemoglobin-based oxygen carrier and the chemotherapeutic agent by the cancerous cells via a receptor-mediated mechanism. The hemoglobin-based oxygen carrier inhibits the expression of hypoxic response elements such as HIF1α, VEGF, ET1, VHL, etc. The pharmaceutical composition of the present invention is also useful for inducing the apoptosis or cell death of a type of self-renewing and tumor-initiating cells called cancer stem cells which are located in the hypoxic niche of a cancerous tumor. | 04-17-2014 |
20140255377 | PHARMACEUTICAL COMPOSITION COMPRISING ALBUMIN-BINDING ARGININE DEIMINASE FOR CANCER TARGETING TREATMENT - The present invention provides a pharmaceutical composition containing albumin-binding arginine deiminase fusion protein (AAD) for treating cancer or other arginine-dependent diseases. The AAD fusion protein can be purified from both soluble and insoluble fractions of crude proteins, it binds to human serum albumin (HSA) and has its high activity with longer half life for efficient depletion of arginine in cancer cells. The specific activities of wild-type ADI and AAD in the present invention are 8.4 and 9.2 U/mg (at physiological pH 7.4), respectively. The AAD used in the present invention can be used in the treatment of various cancers (e.g. pancreatic cancer, leukemia, head and neck cancer, colorectal cancer, lung cancer, breast cancer, liver cancer, nasopharyngeal cancer, esophageal cancer, prostate cancer, stomach cancer & brain cancer) and curing arginine-dependent diseases. The composition can be used alone or in combination with at least one chemotherapeutic agent to give a synergistic effect on cancer treatment and/or inhibiting metastasis. | 09-11-2014 |
20140303085 | HEMOGLOBIN-BASED OXYGEN CARRIER-CONTAINING PHARMACEUTICAL COMPOSITION FOR CANCER TARGETING TREATMENT AND PREVENTION OF CANCER RECURRENCE - The present invention provides a pharmaceutical composition containing a hemoglobin-based oxygen carrier for treating cancer, preventing recurrence and metastasis of cancerous tumor. The composition can be used alone or in combination with at least one chemotherapeutic agent such as 5FU, Bortezomib, doxorubicin, cisplatin, or any combination thereof. The hemoglobin-based oxygen carrier in the composition is capable of targeting a surface receptor expressed on cancerous cells and facilitating the uptake of both hemoglobin-based oxygen carrier and the chemotherapeutic agent by the cancerous cells via a receptor-mediated mechanism. The hemoglobin-based oxygen carrier inhibits the expression of hypoxic response elements such as HIF1 α, VEGF, ET1, VHL, etc. The pharmaceutical composition of the present invention is also useful for inducing the apoptosis or cell death of a type of self-renewing and tumor-initiating cells called cancer stem cells which are located in the hypoxic niche of a cancerous tumor. | 10-09-2014 |
20140335018 | PHARMACEUTICAL COMPOSITION COMPRISING MODIFIED HEMOGLOBIN-BASED THERAPEUTIC AGENT FOR CANCER TARGETING TREATMENT AND DIAGNOSTIC IMAGING - The present invention provides a pharmaceutical composition containing hemoglobin-based therapeutic agent for treating cancer. The hemoglobin moiety can target cancer cells and the therapeutic moiety (i.e. active agent/therapeutic drug) can kill the cancer cells efficiently. The hemoglobin-based therapeutic agent used in the present invention can be used in the treatment of various cancers such as pancreatic cancer, leukemia, head and neck cancer, colorectal cancer, lung cancer, breast cancer, liver cancer, nasopharyngeal cancer, esophageal cancer, prostate cancer, stomach cancer and brain cancer. The composition can be used alone or in combination with other therapeutic agent(s) such as chemotherapeutic agent to give a synergistic effect on cancer treatment, inhibiting metastasis and/or reducing recurrence. The presently claimed hemoglobin-based 5FU-two-dye conjugate and/or hemoglobin-based 5FU-one-dye conjugate can also be used in live-cell imaging and diagnostic imaging. | 11-13-2014 |
Sze Wai Kwok, Hong Kong HK
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20140198444 | Ergonomic Rearward Keyboard - A keyboard that is attached on to the back of a mobile computing device, having keys that are facing rearward away from the user as the user holds and faces the display screen of the mobile computing device. When the user holds the mobile computing device with both hands at the bottom or side edges, his/her fingers are free to press the rearward-facing keys of the attached keyboard. The keys are divided into one partial field for the left-hand fingers and another partial field for the right-hand fingers. The keys within their respective partial fields are placed in mirror-opposite of the positions that would have been in a front-facing keyboard that is laid before the user. This rearward-facing key orientation allows the user to use the same rapid typing system, such as that of the QWERTY keyboard layout, on the rearward-facing keyboard as he/she would on a traditional front-facing keyboard. | 07-17-2014 |
20140198445 | Double-sided Keyboard - A double-sided keyboard comprises a rearward-facing keyboard, a traditional front-facing keyboard and a hinging means. The double-sided keyboard is assembled in a way that the rearward-facing keyboard is on one side of the double-sided keyboard while the traditional front-facing keyboard is on another side of the double-sided keyboard. The hinging means, being on one edge of the double-sided keyboard, is used for connecting to one edge of a tablet computer or mobile computing device, and further provides a sliding mechanism for guiding the sliding motion of the double-sided keyboard. When the double-sized keyboard is attached on to back of a mobile computing device, the rearward-facing keyboard is facing rearward away from the user as the user holds and faces the display screen of the mobile computing device, so that the fingers of the user are free to press the rearward-facing keys on the rearward-facing keyboard. When the double-sided keyboard is slide out, through the sliding mechanism of the hinge, from the back of the mobile computing device, the traditional front-facing keyboard is laid before its user such that the user can type, resembling typing on a laptop computer. | 07-17-2014 |
Tat Kun Kwok, Hong Kong CN
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20120276687 | NICKEL COMPLEXES FOR FLEXIBLE TRANSISTORS AND INVERTERS - The design and synthesis of six nickel charge transfer (CT) complexes are described herein. The six nickel CT complexes have a nickel center, two organic ligands coordinated with the nickel center to form a dianionic square planar supramolecule and an organic counter-cation. The ligands and counter-cations are selected to optimize properties, such as molecular alignment, film morphology, and molecular packaging. Described herein, the ligands can be 2,3-pyrazinedithiol (L | 11-01-2012 |
20150179957 | NICKEL COMPLEXES FOR FLEXIBLE TRANSISTORS AND INVERTERS - The design and synthesis of six nickel charge transfer (CT) complexes are described herein. The six nickel CT complexes have a nickel center, two organic ligands coordinated with the nickel center to form a dianionic square planar supramolecule and an organic counter-cation as represented by | 06-25-2015 |
Taylor Kwok, Hong Kong CN
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20120304869 | Hot Beverage Maker and Dispenser - A hot beverage maker and dispensing system ( | 12-06-2012 |
Tim Tak Kwok, Hong Kong CN
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20090246793 | CUDR AS BIOMARKER FOR CANCER PROGRESSION AND THERAPEUTIC RESPONSE - Disclosed is a novel human gene designated CUDR. Provides is also a CUDR gene as a biomarker in the diagnosis of human cancers and a cancer therapy. | 10-01-2009 |
Tsz Kin Kwok, Hong Kong HK
Tsz Kin Ryan Kwok, Hong Kong CN
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20150031607 | WATER-SOLUBLE AIE LUMINOGENS FOR MONITORING AND RETARDATION OF FIBRILLATION OF AMYLOID PROTEINS - Compounds that exhibit aggregation induced emission (AIE), and more particularly to water-soluble conjugated polyene compounds that exhibit aggregation induced emission. The conjugated polyene compounds can be used as bioprobes for DNA detection, G-quadruplex identification, and potassium-ion sensing. The polyenes also can be utilized as an external fluorescent marker to study conformational structures, to monitor folding processes of label-free oligonucleotides with G-rich strand sequences, and to visualize DNA bands in PAGE assay. The polyenes have applications in high-throughput anticancer drug screening and are useful for the development of efficient anti-cancer drugs. Furthermore, the present subject matter can also be used to monitor fibrillation of amyloid proteins and to facilitate the storage and delivery thereof. | 01-29-2015 |
Wai Lun Eddie Kwok, Hong Kong CN
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20130252503 | TOY BRICK - A toy brick is disclosed which comprises a main body; a male connecting portion and a female connecting portion being symmetrically provided at two ends of the main body respectively; the male connecting portion being shaped as a ball and the female connecting portion being shaped as a letter “U” in which one end of the U-shaped female connecting portion is connected to the main body, and the other end thereof has two projections being inwardly bent and an inner side surface that is an arc surface. The toy brock of the invention can enhance the flexible engagement effect when the male connecting portion and the female connecting portion are connected each other. Due to the above structures, the toy brick can prevent the male connecting portion from being separated from the female connecting portion, thereby obtaining a better connecting effect. | 09-26-2013 |
Yau Cheung Kwok, Hong Kong HK
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20100203990 | Continuously Variable Transmission - A continuously variable transmission comprises an input shaft and an output shaft, a drive wheel, a toothed wheel or a chain wheel, an endless sleeve, a ring wheel, at least one linking member, wedge teeth or a chain, wherein the drive wheel is provided with an annular recess in which a plurality of reversal wedge teeth run, and the wedge teeth are connected with a head portion of the linking member connected with the ring wheel, the spread of axles between the drive wheel and the ring wheel is adjusted via the swinging of the endless sleeve; and with the aid of the locking and releasing operations of the wedge teeth, the linking members are urged to drive the ring wheel, whereby changing the input and output transmission ratio. The continuously variable transmission can be used in a bicycle, wherein the spread of axles between the ring wheel and the drive wheel can be adjusted by regulating a wire, and the magnitude of speed variation is not restricted, the variation range is large, and the power could be synchronously input during the speed variation. | 08-12-2010 |
Yau Cheung Kwok, Hong Kong CN
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20100018495 | Gyroscopic Rotary Engine - A gyroscopic rotary engine includes a rotary disc ( | 01-28-2010 |
20110005218 | ECCENTRIC GEARING TYPE CLUTCH - The present invention discloses an eccentric gearing type clutch, which comprises: a housing ( | 01-13-2011 |